Czernina[t͡ʂɛrˈɲina] (from czarny "black"; sometimes also Czarnina or Czarna polewka) is a Polishsoup made of duckblood and clear poultry broth. Sometimes known as "duck soup", hen, rabbit or pig blood can also be used.[1] In English it can be called "duck blood soup".

Until the 19th century czernina was also a symbol in Polish culture. It was served to young men applying for the hand of their beloved ones after the parents rejected their proposal. It is a plot element in Pan Tadeusz, a famous Polish epic poem by Adam Mickiewicz.